2-Mercapto-4,5,6-trimethylnicotinonitrile
Also known as: 2-mercapto-4,5,6-trimethylnicotinonitrile, 4,5,6-trimethyl-2-thioxo-1,2-dihydropyridine-3-carbonitrile, 4,5,6-trimethyl-2-sulfanylidene-1H-pyridine-3-carbonitrile
2-Mercapto-4,5,6-trimethylnicotinonitrile (CAS 128917-84-0) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H10N2S and a molecular weight of 178.25400 g/mol. Key properties include a melting point of 276ºC, a boiling point of 260.1ºC at 760 mmHg, a density of 1.17 g/cm3 and a flash point of 111.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 128917-84-0
- Jingsj CID
- J-1454452-6
- Molecular Formula
- C9H10N2S
- Molecular Weight
- 178.25400 g/mol
- Category
- Nitrogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 276ºC |
|---|---|
| Boiling Point | 260.1ºC at 760 mmHg |
| Density | 1.17 g/cm3 |
| Flash Point | 111.1ºC |
| Exact Mass | 178.05600 |
| PSA | 75.48000 |
| LogP | 2.16718 |
| Vapor Pressure | 0.0125mmHg at 25°C |
| Refractive Index | 1.591 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Mercapto-4,5,6-trimethylnicotinonitrile?
The CAS number of 2-Mercapto-4,5,6-trimethylnicotinonitrile is 128917-84-0.
What are the molecular formula and molecular weight of 2-Mercapto-4,5,6-trimethylnicotinonitrile?
2-Mercapto-4,5,6-trimethylnicotinonitrile has molecular formula C9H10N2S and molecular weight 178.25400 g/mol.
What are the upstream and downstream products of 2-Mercapto-4,5,6-trimethylnicotinonitrile?
For 2-Mercapto-4,5,6-trimethylnicotinonitrile, Upstream Products: 2-Cyanothioacetamide, 3-Methyl-2,4-pentanedione, 2,4-Pentanedione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Mercapto-4,5,6-trimethylnicotinonitrile (CAS 128917-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454452-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.